What is a 'CAPTCHA' test?
Posted by
KrishKT
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KrishKT
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>> A CAPTCHA is a short online typing test that is easy for humans to pass but difficult for robotic software programs. The purpose of a CAPTCHA is to discourage hackers and spammers from using auto-filling software programs at that web page.
>> CAPTCHAs are used to deter hackers from abusing online services.
What Does CAPTCHA Stand For?
>>CAPTCHA is an acronym from Carnegie Mellon University. It stands for "Completely Automated Public Turing test to tell Computers and Humans Apart". This is a rather obnoxious acronym, but the term has become the standard moniker for these simple human-or-robot tests.
How Do CAPTCHAs Work?
>> CAPTCHAs work by asking you to type a phrase that a robot would be hard-pressed to read. Commonly, these CAPTCHA phrases are also be .mp3 voice recordings. These pictures and recordings are very hard for conventional software programs to understand, and hence, robots are usually unable to type the phrase in response to the picture or recording.
>> CAPTCHAs are used to deter hackers from abusing online services.
What Does CAPTCHA Stand For?
>>CAPTCHA is an acronym from Carnegie Mellon University. It stands for "Completely Automated Public Turing test to tell Computers and Humans Apart". This is a rather obnoxious acronym, but the term has become the standard moniker for these simple human-or-robot tests.
How Do CAPTCHAs Work?
>> CAPTCHAs work by asking you to type a phrase that a robot would be hard-pressed to read. Commonly, these CAPTCHA phrases are also be .mp3 voice recordings. These pictures and recordings are very hard for conventional software programs to understand, and hence, robots are usually unable to type the phrase in response to the picture or recording.
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